It is important to brush your teeth every day using a dentifrice.

My father built a house using building materials.

Grandpa is still in good health.

His talent is clearly apparent.

His absence delayed the progress of the meeting.

He missed school because he had a fever.

Lassa fever is a serious infectious disease that is particularly prevalent in West Africa.

His passion was the key to his success.

He took a day off from school because he had a fever.

He has a fever because he caught a cold.